Battery charger



FIG. 1 is a perspective top front view of the battery charger showing our new design;

FIG. 2 is a perspective bottom front view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a left side view thereof.

The broken line showing various regions are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a battery charger, as shown and described. 